Testing tools with deliberate chaos: my nano-banana-pro stress test suite

Most testing happens in comfortable environments where everything works as expected. You feed your tool clean inputs, run it under ideal conditions, and celebrate when it produces the right output. That approach works fine until reality intervenes with malformed prompts, edge-case parameters, or resource constraints that make your pristine test suite completely irrelevant. If you want to build tools that actually survive contact with users, you need to break them deliberately and systematically before anyone else does. ...